<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>[ #516370 ] Invalid ID value?</title>
</head>
<body>
<h2 id="ValidID1">Test valid ID</h2>
<h2 id="_ValidID2">Test valid ID</h2>
<h2 id=":ValidID3">Test valid ID - : should only be used for
namespaces</h2>
<h2 id=".InvalidID1">Test invalid ID</h2>
<h2 id="2InvalidID2">Test invalid ID</h2>
<h2 id="">Empty invalid ID</h2>
</body>
</html>
